Overview
The Siemens SIRIUS 3RT2015-2UB42 is a high-performance power contactor designed for reliable switching of motors and other electrical loads. As part of the SIRIUS modular system, this contactor offers a compact design, a long electrical service life, and exceptional reliability.
It is engineered to meet the demands of various industrial applications, providing seamless integration into control panels and machinery. The integrated varistor protects the coil from voltage spikes, ensuring a longer lifespan for the device and connected components.
Key Benefit
- Space-Saving Design: The compact Size S00 frame allows for high-density panel layouts, optimizing valuable cabinet space.
- Enhanced Reliability: The integrated varistor provides superior protection against surge voltages, reducing the risk of component failure and downtime.
- Quick and Secure Installation: Spring-loaded terminals offer a vibration-proof connection, eliminating the need for retightening and speeding up wiring time.
- Versatile Application: Suitable for a wide range of AC-3e/AC-3 applications, including motor control and general-purpose switching.
- Reduced Maintenance: The robust construction and high-quality materials ensure a long service life, minimizing maintenance requirements and costs.
Function
- Motor Switching: Efficiently controls the ON/OFF operation of 3-phase AC motors up to 3 kW at 400 V.
- Load Switching: Ideal for switching resistive and inductive loads in automation and control systems.
- Integrated Protection: The internal varistor absorbs and dissipates transient voltage spikes, protecting the coil and extending the contactor’s lifespan.
- Auxiliary Signaling: The integrated 1 NC auxiliary contact provides a reliable feedback signal for monitoring and control circuits.
Technical Specification
- Product Number: 3RT2015-2UB42
- Series: SIRIUS 3RT2
- Rated Operational Current (AC-3e/AC-3): 7 A
- Rated Power (AC-3e/AC-3): 3 kW at 400 V
- Number of Poles: 3-pole
- Control Supply Voltage: 24 V DC
- Auxiliary Contacts: 1 NC (Normally Closed)
- Terminal Type: Spring-loaded terminal
- Integrated Features: Varistor for surge suppression
- Size: S00
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